: the standoff nail is made of stainless steel, which ensures strength and on the basis of and easy to use, rustproof, scratch-proof and -, support to use for long-lasting usage Easy to install: install the plastic expansion tube into the wall and fix the standoff screw with screw, the contact between the screw and the product is protected by rubber pad Warm notice: screws require a screwdriver to assist the mounting of the standoff nails Rang of use: the wall standoffs screws are good choice for company, , supermarkets, store, shops, markets, bedroom, such as glass sign, acrylic sign, acrylic plate, acrylic picture frame indoor and outdoor advertising boards, photo, Weight: 1.05601423498 Pounds, Manufacturer: Ehwisbe